Analysis on Application of Heat Recovery to Energy-Saving Benefit of Ice-Warm-Hot Water Dispenser

Abstract:

This study aims to reduce running time of ice-warm-hot drinking system in heating and refrigerating for the purpose of saving energy. In the experiment warm water heat exchanger and preheater are used to perform primary and secondary preheating of raw water and cooling the water fed into the ice water bucket to reduce running time of heater and refrigerating system. The experiment result shows that the system equipped with heat recovery device can reduce times of heating and refrigerating under heat preservation mode for 24 hours; under differential operation conditions, the system equipped with warm water heat exchanger and preheater saves energy by 7.9%-35.2%. The heat recovery device installed by this study indeed reduces electricity consumption of the system.

• Periodical: Applied Mechanics and Materials (Volume 521)
• Pages: 729-734
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.521.729
• Online since: February 2014
• Authors: Ting Yu Chen*, Ching Song Jwo, Meng Hsien Hung, Yi Chia Liu
• Keywords: Drinking System, Electricity Consumption, Energy Benefit, Heat Recovery

References

[1] The Australian Greenhouse Office Under The National Appliance & Equipment Energy Efficiency Program Minimum Energy Performance Standards – Water Dispensers, (2004).

[2] ZhongKe, Kang Yanming, Applicability of air-to-air heat recovery ventilators in China, Applied Thermal Engineering, 29 (2009), pp.830-840.

DOI: 10.1016/j.applthermaleng.2008.04.003

[3] P. Raskovic, A. Anastasovski, Lj. Markovska, V. Mesko, Process integration in bioprocess indystry: waste heat recovery in yeast and ethyl alcohol plant, Energy, 35 (2010), pp.704-717.

DOI: 10.1016/j.energy.2009.11.020

[4] Feng Yang, Xiugan Yuan, Guiping Lin, Waste heat recovery using heat pipe heat exchanger for heating automobile using exhaust gas, Applied Thermal Engineering, 23 (2003), pp.367-372.

DOI: 10.1016/s1359-4311(02)00190-4

[5] ShahramDelfani, HadiPasdarshahri, Maryam Karami, Experimental investigation of heat recovery system for building air conditioning in hot and humid areas, Energy and Buildings, 49 (2012), pp.62-68.

DOI: 10.1016/j.enbuild.2012.01.002

[6] Bing Li, Qibing Chen, Wubin Xu, Qiwei He, Shangping Li, Design of solar preheating system for boiled water, 2010International Conference on Electrical and Control Engineering, pp.5847-5849.

DOI: 10.1109/icece.2010.1467